include/opencascade/StepData.hxx

0001 // Created on: 1992-02-11
0002 // Created by: Christian CAILLET
0003 // Copyright (c) 1992-1999 Matra Datavision
0004 // Copyright (c) 1999-2014 OPEN CASCADE SAS
0005 //
0006 // This file is part of Open CASCADE Technology software library.
0007 //
0008 // This library is free software; you can redistribute it and/or modify it under
0009 // the terms of the GNU Lesser General Public License version 2.1 as published
0010 // by the Free Software Foundation, with special exception defined in the file
0011 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0012 // distribution for complete text of the license and disclaimer of any warranty.
0013 //
0014 // Alternatively, this file may be used under the terms of Open CASCADE
0015 // commercial license or contractual agreement.
0016
0017 #ifndef _StepData_HeaderFile
0018 #define _StepData_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022 #include <Standard_Handle.hxx>
0023
0024 class StepData_Protocol;
0025
0026
0027 //! Gives basic data definition for Step Interface.
0028 //! Any class of a data model described in EXPRESS Language
0029 //! is candidate to be managed by a Step Interface
0030 class StepData
0031 {
0032 public:
0033
0034   DEFINE_STANDARD_ALLOC
0035
0036
0037   //! Returns the recorded HeaderProtocol, which can be :
0038   //! - a Null Handle if no Header Protocol was yet defined
0039   //! - a simple Protocol if only one was defined
0040   //! - a FileProtocol if more than one Protocol was yet defined
0041   Standard_EXPORT static Handle(StepData_Protocol) HeaderProtocol();
0042
0043   //! Adds a new Header Protocol to the Header Definition
0044   Standard_EXPORT static void AddHeaderProtocol (const Handle(StepData_Protocol)& headerproto);
0045
0046   //! Prepares General Data required to work with this package,
0047   //! which are the Protocol and Modules to be loaded into Libraries
0048   Standard_EXPORT static void Init();
0049
0050   //! Returns a Protocol from StepData (avoids to create it)
0051   Standard_EXPORT static Handle(StepData_Protocol) Protocol();
0052
0053 };
0054
0055 #endif // _StepData_HeaderFile